With 'Paranormal Activity 4' about to arrive at cinemas, the friendly people at Paramount have put together a recap of some of the spooky moments that have come before - just in case you forgot why everyone got so scared.
Paranormal Activity - there's more where that came from...
What was your scariest moment? WATCH ABOVE.
The fourth instalment is in cinemas from 17 October. Watch the trailer below...